Q: Why is the lighting function weak? A: We use low light design to effectively protect the eyes. In the dark, the watch numbers can be clearly seen. Q: What are the product functions? A: Running seconds, alarm clock, luminous, hourly hour, day of the week display, 12/24 hour system, WR50M waterproof life Q: The material of the product: A: High-quality plastic case, high-quality PU plastic strap, thick stainless steel bottom cover, thick stainless steel buckle. Q: How about the waterproof performance of the product? A: All support 50M life waterproof, and do not support entering hot water vapor. Q: How about the product parameters? A: Net weight: 56.3g, Dial diameter: 50mm Dial thickness: 14mm Strap width: 24mm Strap length: 244mm We do DropShipping! SYNOKE Brand watches are loved by young people all over the world. Many products are recommended by celebrities and Internet celebrities!